Home / 905,362.08-1,248,931.17-614,988.60

Finding the Fourth Proportional to 905,362.08, 1,248,931.17 and 614,988.60

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Solution

The fourth proportional to 905,362.08, 1,248,931.17 and 614,988.60 is: 848,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,362.08 : 1,248,931.17 = 614,988.60 : x
  2. Step 2: Convert to fraction form
    905,362.08/1,248,931.17 = 614,988.60/x
  3. Step 3: Cross multiply
    905,362.08x = 1,248,931.17 × 614,988.60
  4. Step 4: Simplify right side
    905,362.08x = 768,078,431,734.66
  5. Step 5: Solve for x
    x = 768,078,431,734.66/905,362.08
  6. Step 6: Final answer
    x = 848,366.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.